<template>
    <div>
        <h1>人员列表</h1>
        <h3>Count组件求和为: {{sum}}</h3>
        <input type="text" placeholder="请输入名字" v-model="name">
        <button @click="add">添加</button>
        <ul>
            <li v-for="person in personList" :key="person.id">{{person.name}}</li>
        </ul>
    </div>
</template>

<script>
    // import { mapState } from 'vuex'
    import { nanoid } from 'nanoid'
    export default {
        name: "Person",
        data() {
            return {
                name: ''
            }
        },
        computed: {
            personList() {
                return this.$store.state.personList
            },
            sum() {
                return this.$store.state.sum
            }
        },
        methods: {
            add() {
                this.$store.commit('ADD_PERSON', { id: nanoid(), name: this.name })
                this.name = ''
            }
        }
    }
</script>

<style scoped>
    h3 {
        color: red;
    }
</style>